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Monobolodes rectifascia sp. n. 
Gathynia pernigrata Warren, sensu Holloway, 1976: 88.

Monobolodes rectifascia

10-12mm. This and the next species share with M. pernigrata Warren comb. n. a characteristic dimorphism where the males have a creamy white ground colour to the forewing, marked in brownish black, and the hindwings are almost entirely black, except for a cream discal spot, though the females of rectifascia are unknown. The medial band to the forewing of pernigrata is narrow, oblique, more or less parallel to the margin. In rectifascia the distal border is transverse, at right-angles to the dorsum: from this the black area extends to the base of the wing, bisected into two triangles by an oblique, irregular band of the ground colour. The genitalia differ from those of pernigrata in having deeper, ovate valves; the vinculum is looped on each side to enclose a hair-pencil; the uncus is more strongly curved. The genitalia of pernigrata are closer to those of prunaria Moore (See Monobolodes? prunaria Moore comb.n.) in shape and build: also the aedeagus vesica is distinctly scobinate.

Holotype SABAH: Mt Kinabalu, Power Station, 1930m, vii-ix.1965. Cambridge Expedition to Mt Kinabalu 1965 (H.J. Banks, H.S. Barlow, & J.D. Holloway) BM uraniid slide 83.

Paratypes:1 SARAWAK: Gunung Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D. Holloway et al.) Site 14, February, Camp; 2.5, Mulu, 1000m. 413461, lower montane forest; 1  BRUNEI: 300m, Ulu Temburong, rainforest, 24.4.81 (Lt. Col. M.G. Allen); 1 BRUNEI: 100m, Ulu Temburong, Kuala Belalong FSC, lowland dipt. forest, (G.S. Robinson).

Geographical range. Borneo.

Habitat preference. The species is uncommon, but has been recorded from the lowlands to 1930m.

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